#include<stdio.h>
int main()
{
    int n;
    scanf("%d", &n);
    if(n < 0)
    {
        printf("Invalid input");
        return 0;
    }
    int arr[n], result[n];
    int i, j, k = 0;
    int isduplicate;
    for (i = 0; i < n; i++)
    {
        scanf("%d", &arr[i]);
    }
    for (i = 0; i < n; i++)
    {
        scanf("%d", &arr[i]);
    }
    for (i = 0; i < n; i++)
    {
        isduplicate = 0;
        for (j = 0; j < k; j++)
        {
            if (arr[i] == result[j])
            {
                isduplicate = 1;
                break;
            }
        }
        if (!isduplicate)
        {
            result[k++] = arr[i]
        }
    }
    for (int i = 0;i < k; i++)
    {
        printf("%d ", result[i]);
    }
    return 0;
}